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The longest space journey in terms of time would likely be a mission to the farthest reaches of the observable universe, such as the edge of the cosmic horizon, approximately 46.5 billion light-years away. Currently, with our fastest spacecraft, it would take millions of years to reach even the nearest stars, let alone distant galaxies. However, since space travel at such scales is currently beyond our technological capabilities, any journey to the farthest parts of the universe remains purely theoretical and would span countless human lifetimes.
What else can I help you with?
To lift from a planet on a journey into space?
To lift off from a planet and journey into space, a spacecraft would typically rely on powerful rocket engines to generate enough thrust to overcome Earth's gravity. The spacecraft would need to achieve a certain speed, called escape velocity, to break free from the planet's gravitational pull and enter into space. Once in space, the spacecraft would continue its journey following its pre-determined trajectory towards its destination.
If there was no such thing as space would you still be here?
Sure. Why not. There could concievably be a universe vastly different than this one. Of course. As universes get the hang of being universes, they propagate space (probably at the speed of light) as they go. Read about Membrane Theory for some interesting perspectives on what things were like prior to our "Big Bang".
How would you describe what is ment by the big bang theory?
The Big Bang Theory presents the theoretical premise for the causation, termination, and continuation of an evolutionary expansion of the universe. The Big Bang promotes that the universe is Time bound (or has a finite existence), that the universe is expanding (within the dimensional limits of Space and Time), that the universe is evolving a set amount of matter and energy while it is expanding over time, and that the universe is homogeneous and isotropic with respect to Space and Time.
If you are to formulate your own theory about the origin of the universe how would you explain it?
The problem is - we can only speculate on the origin of the universe - based on our limited knowledge of the bit of space we live in ! There are literally billions of other galaxies out there - with hundreds of billions of suns and planets. There could be many other rules of physics & chemical elements that we just don't know of ! There's just no way of proving how the universe started (or whether this is the first ever universe !).
What is the longest word in the universe?
It is... 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What is beyond the expanding universe?
The universe contains space and time. "Outside" the universe, there would be no space or time, and without these, nothing can exist.
Which is bigger space or universe?
It would be the universe since the universe refers to the whole world!
Where would you find plasma in the universe?
space
What would your planet be like without sun?
it would be a piece of mass....roaming in the space(universe)
Can there arise any situation in this universe that is a no-space-no-time situation?
Possibly, except the universe would either have to cease to exist or the situation couldn't be here before such a situation would come to be. Space and time are branes in our dimension and for a point to be no-space-no-time, it would have to exist outside of our dimension.
To lift from a planet on a journey into space?
To lift off from a planet and journey into space, a spacecraft would typically rely on powerful rocket engines to generate enough thrust to overcome Earth's gravity. The spacecraft would need to achieve a certain speed, called escape velocity, to break free from the planet's gravitational pull and enter into space. Once in space, the spacecraft would continue its journey following its pre-determined trajectory towards its destination.
Why do the astronaut go always in the universe?
astronauts always go into the universe to search for life and also if we did not have any we would not know much about space
If the universe were able to reach absolute zero would all the matter in it be randomly distributed across space or uniformly distributed across space?
While there is matter in the universe it will not be able to reach absolute zero
What is the longest known distance in light years?
That would be the distance from one edge of the Known Universe to the other. As the Known Universe is believed to be approximately 15 billion years old, that would be 30 billion light years in diameter.
Why the universe is black as the sun is present in the universe?
The Universe appears to be dark because space (meaning nothing), contains no matter for the sun to shine on. Also, another reason is that the universe is so large that, if you were to even try to look at the edge of the universe from outer space, the light would not exist beyond a certain point (because of the measurement of lightyears, and the never ending radius of the universe that is expanding). Thus, the universe is black.
What time would a shadow be at its longest?
That depends where you are on the planet. Your shadow would be longest if you were standing on a rotational pole at the time of equinox. At this point your shadow would be infinity long as it would be "projected" into space. However as a rule of thumb one's shadow is longest when the sun is rising or setting but high enough to cast your shadow.
How would humans' lives and our perceptions of the universe be different with out space-base technology and exploration?
Without space-based technology and exploration, our understanding of the universe would be limited to what we can observe from Earth. We would have less knowledge about our place in the cosmos and how the universe operates, potentially leading to a more limited perspective on our existence. Our technological advancements might also be hindered without the innovations gained from space exploration.
